Lipids as integral constituents of nuclear and chromatin fractions in Ehrlich ascites tumor cells |
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Authors: | Z S Bálint |
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Affiliation: | National Institute of Oncology, Budapest, Hungary. |
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Abstract: | Lipid content and composition of DNA, histone and non-histone proteins of Ehrlich ascites tumor cell chromatin were investigated. All fractions contained small amounts of lipids, mostly neutral ones, in a specific distribution. According to isotopic studies with labeled lipid precursors, incorporation took place mainly in the non-histone fraction. These findings suggest that neutral lipids attached to non-histone chromosomal proteins may also contribute to the regulatory functions ascribed to phospholipids. |
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